change_rpcpn_legend.c

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#include "prototypes_new.h"
 
void change_rpcpn_legend(int win_x,int win_y)
 
{
 
extern int contour_pcp_flag;
extern int qlegend_save;
extern Window window;
extern Widget drawing_area;
extern unsigned long xmap[16];
extern unsigned long rmap[16];
extern int kscale;
extern int maxkscale;
extern int rs;
extern int legendysize;
extern int change_rpcpn_flag;
int k,i;
Dimension width,height;
Arg args[10];
int legendystart;
 
XtSetArg(args[0],XtNwidth,&width);
XtSetArg(args[1],XtNheight,&height);
XtGetValues(drawing_area,args,2);
 
if(win_x < width - rs - 5)
                            return;
 
/* restore filter*/
 
legendystart=legendysize+10;
 
if(win_y >= (legendystart + (11+maxkscale)*rs) &&
   win_y <  (legendystart + (12+maxkscale)*rs)) {
 
                           change_rpcpn_flag=-1;
                           redraw_legend_display(window);
 
                           return;
 
                      }
 
if(win_y >= (legendystart + (10+maxkscale)*rs) &&
   win_y <  (legendystart + (11+maxkscale)*rs)) {
 
                           contour_pcp_flag=1;
 
                           clear_drawable(window);
 
                           write_screen();
 
                           return;
 
                      }
if(win_y >= (legendystart + (9+maxkscale)*rs) &&
   win_y <  (legendystart + (10+maxkscale)*rs)) {
 
                           contour_pcp_flag=-1;
 
                           clear_drawable(window);
 
                           write_screen();
 
                           return;
 
                      }
 
 
/*change pallette */
 
if(win_y >= (legendystart + (9)*rs) &&
   win_y <  (legendystart + (9+maxkscale)*rs)) {
 
                           kscale=(win_y-(legendystart+9*rs))/rs;
 
                           clear_drawable(window);
 
                           write_screen();
 
                           return;
 
                      }
 
 
/* filter off */
 
if(win_y >= (legendystart + 8*rs) &&
   win_y <  (legendystart + 9*rs)) {
 
                           for(i=0; i < 15;i++)    
                                          xmap[i]=rmap[i];
 
                           qlegend_save=-1;
                                         
                           clear_drawable(window);
 
                           write_screen();
 
                           return;
 
                      }
 
/*filter up*/
 
if(win_y >= (legendystart + 7*rs) &&
   win_y <  (legendystart + 8*rs)) {
 
                           if(qlegend_save >= 0) {
 
                           for(i=0; i < 15;i++)
                                              xmap[i]=rmap[i];
 
                           for(i=qlegend_save; i < 5;i++)
                                          xmap[i]=xmap[qlegend_save];                            
                              
                           for(i=qlegend_save+5; i < 15;i++)
                                          xmap[i]=xmap[qlegend_save+5];                            
                                           
                           clear_drawable(window);
 
                           write_screen();
 
                   }
        
                           return;
 
                      }
 
/*filter down */
 
if(win_y >= (legendystart + 6*rs) &&
   win_y <  (legendystart + 7*rs)) {
 
                           if(qlegend_save >= 0) {
 
                           for(i=0; i < 15;i++)
                                              xmap[i]=rmap[i];
 
                           for(i=0;i<=qlegend_save;i++)
                                                 xmap[i]=0; 
                
                           for(i=5;i<=qlegend_save+5;i++)
                                                 xmap[i]=0; 
                                                    
                           clear_drawable(window);
 
                           write_screen();
 
                   }
 
                           return;
 
                      }
 
/*filter levels */
 
for(k=0;k<5;k++) {
 
                  if(win_y >= (legendystart + (k+1) * rs) &&
                     win_y <  (legendystart + (k+2) * rs)) {
                                              
                                               qlegend_save=k;
                                               redraw_rpcpn_legend(window);
                                               return;
 
                         }
 
 
        }
 
 
 
}